3A-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione CAS 42498-58-8

Purity 97%+In StockPharmaceutical Standards
CAS No.42498-58-8
Molecular FormulaC9H10O3
Molecular Weight166.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3A-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione CAS 42498-58-8 chemical structure

Description

CATO supplies 3A-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione (CAS 42498-58-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H10O3. Molecular weight: 166.17 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC9H10O3
Molecular Weight166.17 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1969

Recommended Standards

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